Bubble trouble? Bitcoin tops $11,000 after $1,000 surge in 12 hours

LONDON/NEW YORK (Reuters) - Bitcoin zoomed past $11,000 to hit a record high for the sixth day in a row on Wednesday after gaining more than $1,000 in just 12 hours, stoking concerns that a rapidly swelling bubble could be set to burst in spectacular f...

LONDON/NEW YORK (Reuters) - Bitcoin zoomed past $11,000 to hit a record high for the sixth day in a row on Wednesday after gaining more than $1,000 in just 12 hours, stoking concerns that a rapidly swelling bubble could be set to burst in spectacular fashion.